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Revision: 1.6
Committed: Sun Feb 5 23:16:10 2006 UTC (18 years, 4 months ago) by root
Branch: MAIN
Changes since 1.5: +21 -3 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 =head1 NAME
2
3 Crossfire::MapWidget - Gtk2 widget displaying cf maps
4
5 =head1 SYNOPSIS
6
7 use Crossfire::MapWidget;
8
9 =head1 DESCRIPTION
10
11 =head2 METHODS
12
13 =over 4
14
15 =cut
16
17 package Crossfire::MapWidget;
18
19 use strict;
20
21 use Gtk2;
22
23 use Crossfire;
24 use Crossfire::Tilecache;
25
26 use Glib::Object::Subclass
27 'Gtk2::DrawingArea';
28
29 use List::Util qw(min max);
30
31 sub INIT_INSTANCE {
32 my ($self) = @_;
33
34 $self->signal_connect (destroy => sub { %{$_[0]} = () });
35 $self->signal_connect (realize => sub {
36 my ($self) = @_;
37
38 $self->{window} = $self->window;
39
40 1
41 });
42
43 $self->set_redraw_on_allocate (0); # nope
44 $self->double_buffered (0);
45
46 $self->signal_connect (size_request => sub {
47 $_[1]->width (20 * TILESIZE);
48 $_[1]->height (20 * TILESIZE);
49
50 1
51 });
52
53 $self->signal_connect (expose_event => sub { $self->expose ($_[1]); 1 });
54
55 $self->signal_connect_after (configure_event => sub {
56 $self->set_viewport ($self->{x}, $self->{y});
57
58 0
59 });
60
61 # reduces unnecessary redraws
62 $self->signal_connect_after (focus_in_event => sub { 1 });
63 $self->signal_connect_after (focus_out_event => sub { 1 });
64
65 $self->{tooltip} = -1; # initially disabled
66
67 $self->signal_connect_after (enter_notify_event => sub { $self->enable_tooltip; 0 });
68 $self->signal_connect_after (leave_notify_event => sub { $self->disable_tooltip; 0 });
69
70 $self->signal_connect (button_press_event => sub {
71 my ($self, $event) = @_;
72
73 my ($x, $y) = ($event->x, $event->y);
74
75 if ($_[1]->button == 2 && !$self->{in_drag}) {
76 $self->disable_tooltip;
77
78 $_[0]->grab_focus;
79 $self->{in_drag} = [$self->{x}, $self->{y}, $x, $y];
80 return 1;
81 }
82
83 0
84 });
85
86 $self->signal_connect (motion_notify_event => sub {
87 my ($self) = @_;
88
89 $self->update_tooltip;
90
91 if (my $di = $self->{in_drag}) {
92 my ($x, $y) = $self->get_pointer;
93
94 $self->set_viewport (
95 $di->[0] + $di->[2] - $x,
96 $di->[1] + $di->[3] - $y,
97 );
98
99 return 1;
100 }
101
102 0
103 });
104
105 $self->signal_connect (button_release_event => sub {
106 my ($self) = @_;
107
108 $self->enable_tooltip
109 if delete $self->{in_drag};
110
111 0
112 });
113
114 # gtk+ supports no motion compression, a major lacking feature. we have to pay for the
115 # workaround with incorrect behaviour and extra server-turnarounds.
116 $self->add_events ([qw(key_press_mask key_release_mask
117 button_press_mask button_release_mask button-motion-mask
118 pointer-motion-mask pointer-motion-hint-mask
119 enter-notify-mask leave-notify-mask)]);
120 $self->can_focus (1);
121
122 # $self->signal_connect (key_press_event => sub { $self->handle_key ($_[1]->keyval, $_[1]->state) });
123 }
124
125 sub enable_tooltip {
126 my ($self) = @_;
127
128 $self->{tooltip}++;
129 $self->update_tooltip;
130 }
131
132 sub disable_tooltip {
133 my ($self) = @_;
134
135 $self->{tooltip}--;
136 $self->update_tooltip;
137 }
138
139 sub overlay {
140 my ($self, $name, $x, $y, $w, $h, $cb) = @_;
141
142 if (my $ov = delete $self->{overlay}{$name}) {
143 my ($x, $y, $w, $h) = @$ov;
144
145 $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
146 }
147
148 if ($h) {
149 $self->{overlay}{$name} = [$x, $y, $w, $h, $cb];
150
151 $self->queue_draw_area ($x - $self->{x}, $y - $self->{y}, $w, $h);
152 }
153 }
154
155 sub update_tooltip {
156 my ($self) = @_;
157
158 if ($self->{tooltip} >= 0) {
159 my $screen = $self->{window}->get_screen;
160 my ($pscreen, $x, $y) = $screen->get_display->get_pointer;
161
162 if ($pscreen == $screen) {
163 if (!$self->{tip}) {
164 $self->{tip} = new Gtk2::Window "popup";
165 $self->{tip}->can_focus (0);
166 $self->{tip}->set_name ("gtk-tooltips");
167 $self->{tip}->set_decorated (0);
168 $self->{tip}->set_border_width (4);
169 $self->{tip}->set_has_frame (0);
170 $self->{tip}->set_resizable (0);
171 }
172
173 my ($mx, $my) = $self->coord ($self->get_pointer);
174
175 if ($self->{tipinfo}[0] != $mx || $self->{tipinfo}[1] != $my) {
176 $self->fill_tooltip ($mx, $my);
177
178 $self->{tipinfo} = [$mx, $my];
179
180 $self->overlay (_tooltip => $mx * TILESIZE, $my * TILESIZE, TILESIZE, TILESIZE, sub {
181 my ($self, $x, $y) = @_;
182
183 $self->{window}->draw_rectangle ($_ & 1 ? $self->style->black_gc : $self->style->white_gc, 0,
184 $x + $_, $y + $_,
185 TILESIZE - 1 - $_ * 2, TILESIZE - 1 - $_ * 2)
186 for 0..3;
187
188 my $req = $self->{tip}->size_request;
189 $self->{tip}->resize ($req->width, $req->height);
190 });
191
192 $self->{tip}->show_all;
193 }
194
195 $self->{tip}->move ($x + TILESIZE, $y);
196
197 return;
198 }
199 }
200
201 $self->overlay ("_tooltip");
202 delete $self->{tipinfo};
203 (delete $self->{tip})->destroy if $self->{tip};
204 }
205
206 sub fill_tooltip {
207 my ($self, $x, $y) = @_;
208
209 $self->{tip}->remove ($self->{tip}->get_children)
210 if $self->{tip}->get_children;
211
212 $self->{tip}->add (my $frame = new Gtk2::Frame "($x|$y)");
213
214 # $frame->set_shadow_type ("none");
215
216 if ($x < 0 || $x >= $self->{map}{width}
217 || $y < 0 || $y >= $self->{map}{height}) {
218 $frame->add (new Gtk2::Label "<off-map>");
219 } else {
220 $frame->add (my $vbox = new Gtk2::VBox 1, 1);
221
222 #TODO: fill tooltip via signal, defaulting to this:
223
224 # fill tooltip with info about $x, $y
225 my $as = $self->{map}{map}[$x][$y] || [];
226 for my $a (@$as) {
227 $vbox->add (my $hbox = new Gtk2::HBox 0, 2);
228
229 my $tile = $Crossfire::Tilecache::TILECACHE{ $a->{face} || $ARCH->{$a->{_name}}{face} };
230
231 # this is awful, is this really the best way?
232 my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 1, 8, TILESIZE, TILESIZE;
233 $pb->fill (0x00000000);
234
235 $Crossfire::Tilecache::TILECACHE->composite ($pb,
236 0, 0,
237 TILESIZE, TILESIZE,
238 - ($tile->{idx} % 64) * TILESIZE, - TILESIZE * int $tile->{idx} / 64,
239 1, 1, 'nearest', 255
240 );
241
242 $hbox->add (my $img = new_from_pixbuf Gtk2::Image $pb);
243 $img->set_alignment (0, 0.5);
244
245 $hbox->add (my $label = new Gtk2::Label $a->{_name});
246 $label->set_alignment (0, 0.5);
247 }
248 }
249 }
250
251 sub set_viewport {
252 my ($self, $x, $y) = @_;
253
254 my $area = $self->allocation;
255
256 $x = max 0, min $self->{width} - $area->width , $x;
257 $y = max 0, min $self->{height} - $area->height, $y;
258
259 $self->window->scroll ($self->{x} - $x, $self->{y} - $y);
260
261 ($self->{x}, $self->{y}) = ($x, $y);
262 }
263
264 sub set_map {
265 my ($self, $map) = @_;
266
267 $self->{map} = $map;
268
269 $self->{width} = $map->{width} * TILESIZE;
270 $self->{height} = $map->{height} * TILESIZE;
271
272 $self->{x} =
273 $self->{y} = 0;
274
275 delete $self->{face};
276 $self->update_map (0, 0, $self->{width}, $self->{height});
277 delete $self->{tipinfo};
278 $self->update_tooltip;
279 $self->invalidate_all;
280 }
281
282 sub coord {
283 my ($self, $x, $y) = @_;
284
285 (
286 int +($self->{x} + $x) / TILESIZE,
287 int +($self->{y} + $y) / TILESIZE,
288 )
289 }
290
291 #sub handle_key {
292 # my ($self, $key, $state) = @_;
293 #
294 # $self->prefetch_cancel;
295 #
296 # if ($state * "control-mask") {
297 # if ($key == $Gtk2::Gdk::Keysyms{g}) {
298 # my @sel = keys %{$self->{sel}};
299 # $self->generate_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
300 # } elsif ($key == $Gtk2::Gdk::Keysyms{a}) {
301 # $self->select_all;
302 # } elsif ($key == $Gtk2::Gdk::Keysyms{A}) {
303 # $self->select_range ($self->{offs}, $self->{offs} + $self->{cols} * $self->{page} - 1);
304 # } elsif ($key == $Gtk2::Gdk::Keysyms{s}) {
305 # $self->rescan;
306 # } elsif ($key == $Gtk2::Gdk::Keysyms{d}) {
307 # $self->unlink (keys %{$self->{sel}});
308 # } elsif ($key == $Gtk2::Gdk::Keysyms{u}) {
309 # my @sel = keys %{$self->{sel}};
310 # $self->update_thumbnails (@sel ? @sel : 0 .. $#{$self->{entry}});
311 #
312 # } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) {
313 # $self->cursor_move (0) unless $self->cursor_valid;
314 # $self->emit_activate ($self->{cursor});
315 # } elsif ($key == $Gtk2::Gdk::Keysyms{space}) {
316 # $self->cursor_move (1) or return 1
317 # if $self->{cursor_current} || !$self->cursor_valid;
318 # $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
319 # $self->prefetch (1);
320 # } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) {
321 # $self->cursor_move (-1) or return 1;
322 # $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
323 # $self->prefetch (-1);
324 #
325 # } else {
326 # return 0;
327 # }
328 # } else {
329 # if ($key == $Gtk2::Gdk::Keysyms{Page_Up}) {
330 # my $value = $self->{adj}->value;
331 # $self->{adj}->set_value ($value >= $self->{page} ? $value - $self->{page} : 0);
332 # $self->clear_cursor;
333 # } elsif ($key == $Gtk2::Gdk::Keysyms{Page_Down}) {
334 # my $value = $self->{adj}->value + $self->{page};
335 # $self->{adj}->set_value ($value <= $self->{maxrow} ? $value : $self->{maxrow});
336 # $self->clear_cursor;
337 #
338 # } elsif ($key == $Gtk2::Gdk::Keysyms{Home}) {
339 # $self->{adj}->set_value (0);
340 # $self->clear_cursor;
341 # } elsif ($key == $Gtk2::Gdk::Keysyms{End}) {
342 # $self->{adj}->set_value ($self->{maxrow});
343 # $self->clear_cursor;
344 #
345 # } elsif ($key == $Gtk2::Gdk::Keysyms{Up}) {
346 # $self->cursor_move (-$self->{cols});
347 # } elsif ($key == $Gtk2::Gdk::Keysyms{Down}) {
348 # $self->cursor_move (+$self->{cols});
349 # } elsif ($key == $Gtk2::Gdk::Keysyms{Left}) {
350 # $self->cursor_move (-1);
351 # } elsif ($key == $Gtk2::Gdk::Keysyms{Right}) {
352 # $self->cursor_move (+1);
353 #
354 # } elsif ($key == $Gtk2::Gdk::Keysyms{Return}) {
355 # $self->cursor_move (0) unless $self->cursor_valid;
356 # $self->emit_activate ($self->{cursor});
357 # } elsif ($key == $Gtk2::Gdk::Keysyms{space}) {
358 # $self->cursor_move (1) or return 1
359 # if $self->{cursor_current} || !$self->cursor_valid;
360 # $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
361 # $self->prefetch (1);
362 # } elsif ($key == $Gtk2::Gdk::Keysyms{BackSpace}) {
363 # $self->cursor_move (-1) or return 1;
364 # $self->emit_activate ($self->{cursor}) if $self->cursor_valid;
365 # $self->prefetch (-1);
366 #
367 # } elsif ($key == ord '^') {
368 # $self->updir if exists $self->{dir};
369 #
370 # } elsif (($key >= (ord '0') && $key <= (ord '9'))
371 # || ($key >= (ord 'a') && $key <= (ord 'z'))) {
372 #
373 # $key = chr $key;
374 #
375 # my ($idx, $cursor) = (0, 0);
376 #
377 # $self->clear_selection;
378 #
379 # for my $entry (@{$self->{entry}}) {
380 # $idx++;
381 # $cursor = $idx if $key gt lcfirst $entry->[1];
382 # }
383 #
384 # if ($cursor < @{$self->{entry}}) {
385 # delete $self->{cursor_current};
386 # $self->{sel}{$cursor} = $self->{entry}[$cursor];
387 # $self->{cursor} = $cursor;
388 #
389 # $self->{adj}->set_value (min $self->{maxrow}, $cursor / $self->{cols});
390 # $self->emit_sel_changed;
391 # $self->invalidate_all;
392 # }
393 # } else {
394 # return 0;
395 # }
396 # }
397 #
398 # 1
399 #}
400
401 sub invalidate {
402 my ($self, $x, $y, $w, $h) = @_;
403
404 return unless $self->{window};
405
406 $self->queue_draw_area (
407 map $_ * TILESIZE, $x - 1 , $y - 1, $w + 2, $h + 2
408 );
409 }
410
411 sub invalidate_all {
412 my ($self) = @_;
413
414 $self->queue_draw;
415 }
416
417 sub update_map {
418 my ($self, $x, $y, $w, $h) = @_;
419
420 delete $self->{overlay};
421
422 my $map = $self->{map}{map};
423 my $ov = $self->{face} ||= [];
424
425 $x = 0; $w = $self->{map}{width};
426 $y = 0; $h = $self->{map}{height};
427
428 my @x = ($x .. $x + $w - 1);
429 my @y = ($y .. $y + $h - 1);
430
431 my $TC = \%Crossfire::Tilecache::TILECACHE;
432
433 my @ov;
434
435 # update overlay map with bigfaces and chained faces
436 for my $x (@x) {
437 my $ass = $self->{map}{map}[$x];
438 my $oss = $ov->[$x] ||= [];
439 for my $y (@y) {
440 my $os = $oss->[$y] = [];
441 for my $a (@{ $ass->[$y] || [] }) {
442 my $o = $ARCH->{$a->{_name}}
443 or (warn "arch '$a->{_name}' not found at ($x|$y)\n"), next;
444
445 my $tile = $TC->{$a->{face} || $o->{face}}
446 or (warn "no gfx found for arch '$a->{_name}' at ($x|$y)\n"), next;
447
448 if ($tile->{w} > 1 || $tile->{h} > 1) {
449 # bigfaces
450 for my $ox (0 .. $tile->{w} - 1) {
451 for my $oy (0 .. $tile->{h} - 1) {
452 push @ov, [$x + $ox, $y + $oy,
453 $tile->{idx} + $ox + $oy * $tile->{w}];
454 }
455 }
456
457 } elsif ($o->{more}) {
458 # linked faces
459 do {
460 my $tile = $TC->{$o->{face}}
461 or (warn "no gfx found for arch '$a->{_name}' at ($x*|$y*)\n"), next;
462 push @ov, [$x + $o->{x}, $y + $o->{y}, $tile->{idx}];
463 } while $o = $o->{more};
464
465 } else {
466 # single face
467 push @$os, $tile->{idx};
468
469 }
470 }
471 }
472 }
473
474 # bigger faces always on top, I don't give a shit to those who think otherwise
475 for (@ov) {
476 my ($x, $y, $idx) = @$_;
477
478 push @{ $ov->[$x][$y] }, $idx;
479 }
480 }
481
482 sub expose {
483 my ($self, $event) = @_;
484
485 no integer;
486
487 my $ox = $self->{x}; my $ix = int $ox / TILESIZE;
488 my $oy = $self->{y}; my $iy = int $oy / TILESIZE;
489
490 # get_rectangles is buggy in older versions
491 for my $area ($Gtk2::VERSION > 1.115 ? $event->region->get_rectangles : $event->area) {
492 my ($x, $y, $w, $h) = $area->values; # x y w h
493
494 my @x = ((int ($ox + $x) / TILESIZE) .. int +($ox + $x + $w + TILESIZE - 1) / TILESIZE);
495 my @y = ((int ($oy + $y) / TILESIZE) .. int +($oy + $y + $h + TILESIZE - 1) / TILESIZE);
496
497 my $PB = $Crossfire::Tilecache::TILECACHE;
498
499 my $window = $self->{window};
500
501 my $pb = new Gtk2::Gdk::Pixbuf 'rgb', 0, 8, TILESIZE * (@x + 1), TILESIZE * (@y + 1);
502 $pb->fill (0x00000000);
503
504 for my $x (@x) {
505 my $dx = ($x - $x[0]) * TILESIZE;
506 my $oss = $self->{face}[$x];
507
508 for my $y (@y) {
509 my $dy = ($y - $y[0]) * TILESIZE;
510
511 for my $idx (@{$oss->[$y]}) {
512 $PB->composite ($pb,
513 $dx, $dy,
514 TILESIZE, TILESIZE,
515 $dx - ($idx % 64) * TILESIZE, $dy - TILESIZE * int $idx / 64,
516 1, 1, 'nearest', 255
517 );
518 }
519 }
520 }
521
522 $pb->render_to_drawable ($window, $self->style->black_gc,
523 0, 0,
524 $x[0] * TILESIZE - $ox, $y[0] * TILESIZE - $oy,
525 TILESIZE * @x, TILESIZE * @y,
526 'max', 0, 0);
527 }
528
529 $_->[4]->($self, $_->[0] - $self->{x}, $_->[1] - $self->{y})
530 for values %{ $self->{overlay} || {} };
531 }
532
533 =back
534
535 =head1 AUTHOR
536
537 Marc Lehmann <schmorp@schmorp.de>
538
539 =cut
540
541 1
542